General

  • Target
    91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d.exe
  • Size 1.7MB
  • Sample241230-wfwlcstrhs
  • SHA256 91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d.exe
    • Size 1.7MB
    • SHA256 91034df30d1ef00ed5f689e3d8cd041fb9a36caf97af9c430eede4c3e047567d
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks